I bought this Samsung L700 a few days ago.
This is a great phone with low price.

I use this phone as a modem to connect to the internet using my laptop. To connect the phone to laptop, I use bluetooth. It works fine.

When I'm at home, I use the USB cable to connect the phone to my desktop PC (as a modem).
But when I'm using USB cable, the internet speed decreases significantly.

I thought the internet speed is slowing down from the provider. I tried to change the modem with my SonyEricsson K660i, and the speed recovers. I don't know whether this is the USB cable issue or handset issue.

Using Samsung L700 with bluetooth = around 250kbps
Using Samsung L700 with USB cable = only 60kbps
Using SE K660i with USB cable = around 250kbps

I tried uploading videos on the phone. At mpeg4 at resolution 176\220 when i play it fullscreen it doesn't expand to the edges of the display like it does when playing videos recorded with the phone. I tried 176/144 3pg (the resolution and format the phone uses when recording videos) but it didn't work again. So what should be the resolution so that when playing fullscreen mode the video fills the whole screen(like when playing videos recorded with the phone)?
Thanks